Data on IGO membership from 1816 to 2014 at the country-year level. Each row represents one country in one year. Years are recorded at five-year intervals through 1965 and annually thereafter.
Format
A data.frame with
15,557 rows. Relevant
fields:
ccode: Correlates of War country number. See states2016.year: Calendar year.state: Abbreviated state name, identical to variable names in igo_year_format3.aaaid...wassen: IGO variables containing state membership status. See the Details section.
Source
Intergovernmental Organizations (version 3), IGO Data Stata Files from the Correlates of War Project.
See the Codebook Version 3 IGO Data for the full reference.
Details
Possible values for the status of a state in the IGO are:
| Category | Numerical value |
| No Membership | 0 |
| Full Membership | 1 |
| Associate Membership | 2 |
| Observer | 3 |
| Missing data | -9 |
| IGO Not In Existence | -1 |
Use igo_recode_stateyear() to recode the numerical values as
factors.
See the Codebook Version 3 IGO Data.
Note
Data distributed with igoR.
References
Pevehouse, J. C., Nordstrom, T., McManus, R. W. & Jamison, A. S. (2020). Tracking organizations in the world: The Correlates of War IGO Version 3.0 data sets. Journal of Peace Research, 57(3), 492–503. doi:10.1177/0022343319881175 .
See also
countrycode::countrycode() to convert between different country code
schemes.
Other data sets:
igo_year_format3,
states2016
Examples
data("state_year_format3")
dplyr::tibble(state_year_format3)
#> # A tibble: 15,557 × 537
#> ccode year state aaaid aacb aalco aaro aata aatpo abeda abepseac acc
#> <dbl> <dbl> <chr> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl>
#> 1 2 1816 usa -1 -1 -1 -1 -1 -1 -1 -1 -1
#> 2 2 1817 usa -1 -1 -1 -1 -1 -1 -1 -1 -1
#> 3 2 1818 usa -1 -1 -1 -1 -1 -1 -1 -1 -1
#> 4 2 1819 usa -1 -1 -1 -1 -1 -1 -1 -1 -1
#> 5 2 1820 usa -1 -1 -1 -1 -1 -1 -1 -1 -1
#> 6 2 1821 usa -1 -1 -1 -1 -1 -1 -1 -1 -1
#> 7 2 1822 usa -1 -1 -1 -1 -1 -1 -1 -1 -1
#> 8 2 1823 usa -1 -1 -1 -1 -1 -1 -1 -1 -1
#> 9 2 1824 usa -1 -1 -1 -1 -1 -1 -1 -1 -1
#> 10 2 1825 usa -1 -1 -1 -1 -1 -1 -1 -1 -1
#> # ℹ 15,547 more rows
#> # ℹ 525 more variables: acct <dbl>, acdt <dbl>, aci <dbl>, acml <dbl>,
#> # acp <dbl>, acpeu <dbl>, acs <dbl>, acso <dbl>, acssrb <dbl>, acu <dbl>,
#> # acwl <dbl>, afesd <dbl>, afeximb <dbl>, afgec <dbl>, afpu <dbl>,
#> # afrand <dbl>, afristat <dbl>, afspc <dbl>, afte <dbl>, agc <dbl>,
#> # agpundo <dbl>, aic <dbl>, aidc <dbl>, aido <dbl>, aioec <dbl>, aipo <dbl>,
#> # aitic <dbl>, alo <dbl>, alsf <dbl>, amco <dbl>, amcow <dbl>, amf <dbl>, …